30Hp 40Ft-Lbs Of Torque!!! Duromax 440cc Stage 4 Engine Build

Today we tear down and build a Duromax 440cc engine using parts from Go Power Sports. We install a billet rod, billet flywheel, .308 cam, 1.2 ratio rockers, 65lbs double valve springs, chromoly push rods, 34mm flatslide carb, milled and ported head and top plate. This engine is capable of making close to 30hp and 40ft-lbs. Don't forget to check out the links, subscribe, share and like to keep the videos coming!!! Use 20% code RBG720 on ALL DuroMax products for July 2020 Check us out on ROKU - Merch & Events - Parts Duromax 440cc Engine - 440cc Stage 2 Kit - Top Plate - 34mm Round Slide Kit - 34mm Flat Slide Carb – Intake Manifold – Coming Soon Stainless Header - Chromoly Push Rods - Ratio Rockers – Coming Soon Head Work – lfrsmallengine@ Tools Valve Spring Compressor – https